@charset "UTF-8";
.content {
  background: #eee;
}
.sidebar {
  float: left;
  width: 80px;
  height: 100%;
  background: #fff;
  overflow-y: auto;
}
.sidebar .sidebar-left {
  height: 100%;
}
.sidebar .sidebar-left .li-item {
  width: 80px;
  height: 66px;
  line-height: 16px;
  text-align: center;
  border-bottom: 2px solid #eee;
  background: #fff;
  overflow: hidden;
  display: -webkit-flex;
  /* Safari */
  display: flex;
  -webkit-justify-content: center;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  -moz-box-pack: center;
  -webkit-box-pack: center;
  -moz-box-align: center;
  -webkit-box-align: center;
}
.sidebar .sidebar-left a {
  text-decoration: none;
  color: #000;
  -webkit-tap-highlight-color: transparent;
}
.sidebar .sidebar-left .active {
  color: red;
}
.main {
  margin-left: 92px;
  height: 100%;
  overflow-y: auto;
}
.course-nav {
  margin-top: 12px;
  margin-right: 10px;
  padding-top: 12px;
  background: #fff;
}
.course-nav .course-item {
  margin-bottom: 16px;
  float: left;
  width: 33.3%;
  text-align: center;
}
.course-nav .course-item a {
  color: #000;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}
.course-nav .course-item .class-img {
  display: block;
  margin: 0 auto;
}
.course-nav .course-item .class-title {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  overflow: hidden;
}
.course-list {
  margin-top: 14px;
}
.course-module {
  margin-top: 14px;
}
.course-module a {
  color: #000;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}
.course-module .left-img {
  float: left;
  width: 100px;
  height: 60px;
}
.course-module .left-img img {
  width: 100%;
  height: 100%;
  border-radius: 4px;
}
.course-module .right-c {
  margin-left: 12px;
  float: left;
}
.course-module .right-c .course-title {
  margin-top: 2px;
  height: 20px;
  line-height: 20px;
  font-size: 16px;
  color: #000;
}
.course-module .right-c .course-info {
  margin-top: 6px;
  color: #777;
  font-size: 10px;
}
.course-module .right-c .course-info .item + .item {
  margin-left: 12px;
}
